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Averaging Traces
Trace averaging improves your measurement repeatability by smoothing out noise. For measure-
ments involving slow polarization scrambling, using video filtering to improve repeatability will
require a very narrow video bandwidth (less than 10 Hz). This would result in a long measure-
ment time, where trace averaging would be faster.
1 From the front panel, press Traces > Averaging.
2 Toggle to select the Averaging on or off.
3 Select from the 10, 20, 50 or 100 softkeys or use the knob, step keys, or numeric entry pad to
enter the desired average count.
N o t e
For measurements with fast polarization scrambling, video filtering (adjusting video bandwidth) is
generally faster than trace averaging for similar repeatability requirement.
Using the Instrument
Setting Up Measurements
Refer to "Averaging" on page
3-13.
2-5
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